Rain-water cut-off



(No Model.)

W. WARREN. Rain Water Out-Off.

No. 230,681. I Patented Aug. 3,188.0.

WRSSQS 'LWWWCW I (53mm 1-@ Wm N-PETERS, PHOTO-LITHOGRAFHER. WASHINGTOK DC UNITED STATES PATENT OFFICE.

WILLIAM WARREN, OF SAG CITY, IOWA.

RAIN-WATER CUT-OFF.

SPECIFICATION forming part of Letters Patent No. 230,681, dated August3, 1880,

Application filed April 3, 188Q. (No model.)

To all whom it may concern Be it known that I, WILLIAM WARREN, of SacCity, in the county of Sac and State of Iowa, have invented an ImprovedRain-Water Out-Off, of which the following is a specification.

My invention relates to that class of devices that is automaticallyoperated by the water conducted through a tube from the roof of abuilding to a cistern to direct the water into the cistern or away fromthe cistern, as circumstances may require.

Heretofore automatic rain-water cut-offs of various forms have beencombined with conducting-tubes in such a manner as to prevent the dirtywater that comes from a roof at the beginning of a rain from runninginto the cistern, and to allow only clean water that comes from the roofafter the roof has been washed to flow into the cistern.

My invention contemplates regulating the quantity of water that is to beadmitted into the cistern and to prevent the overflow of cisterns andthe annoyances and damages incident thereto. It consists in forming andcombining an adjustable elbow-shaped tube, a fixed conducting-tube, anda float, and arranging the same relative to a building anda cistern, ashereinafter fully set forth.- 7

Figure 1 of my accompanying drawings is a perspective view of my device.Fig.2 shows the same inc-practical use. Together they clearly illustratethe construction, application, and operation of my complete invention.

' A represents the lower and open end of a tube fixed to a building toconvey water from the roof.

B is a fl oat made of sheet metal .or other suitable material in anysuitable way. It mayvary in size and shape, as desired.

' O is an adjustable elbow-shaped tube, connected with the lower end ofthe fixed tube A in such a manner that the upper end of the adjustabletube will slip up and down over the lower end of the fixed tube whenrequired, and at the same time revolve to and from the cistern asrequired to convey water into the cistern or away from the cistern.

d is a spiral slot out in the upper end of the adjustable tube 0. fis apin or stud fixed to the lower end of the fixed tube A in such a mannerthat it will project outward through the spiral slot d in the adjustabletube.

.float B is connected with the sliding and revolving tube 0 by means ofa, suitable connecting-rod, g, which rod may vary in length as requiredto suit the relative positions of the fixed-tube A and the cistern inwhich the float is to rise and fall with the surface of the water andthe point of elevation in the cistern to which the rise of the water isto be restricted; and when the desired quantity of water has beenconducted into the cistern it will elevate the float, and the float willpush the elbowshaped tube upward over the lower end of the fixed tube,and the fixed stud f, projecting through the spiral slot of the movingtube, will cause the tube to revolve, as required, to turn its open .endaway from the mouth or inlet of the cistern and to conduct the waterdescending from the roof and through the fixed tube A to anotherreceptacle or drain; and when the quantity of water in the cistern isdiminished and the float descends it will cause a reverse movementof thesliding and revolving tube, and again connect the fixed tube A with thecistern, as required to conduct the descending water into the cistern.

A simple, cheap, and efficient automatic device is thus provided forregulating the quantity of waterin a cistern, tank, boiler. or otherreceptacle, and to prevent overflow and damages resulting therefrom.

I claim as my invention- The tube A, having a fixed stud, f, theadjustable elbow-shaped tube 0, having a spiral slot, d, and the floatB, combined and arranged relative to a building and a cistern,substantially as shown and described, to operate in the manner and forthe purposes set forth.

WILLIAM WARREN.

Witnesses E. R. DUFFIE, J. F. MooDY.

